R925 – TU854 MTU, Redundant Description Description R925 – TU854 MTU, Redundant, 50V Used with redundant I/O. Horizontal DIN rail mounting. With 1×25 pin D-sub connector. Shunt Stick not included. Related products ABB - 1.3 800xA 6.1 Hardware (3BSE088708/E)3BSE072270R1 Read more ABB - 1.3 800xA 6.1 Hardware (3BSE088708/E)3BSE081637R1 Read more ABB - 1.3 800xA 6.1 Hardware (3BSE088708/E)3BSE088381R1 Read more